PC2700

PC2700 This is DDR (Double Data Rate) memory in 200-pin SO-DIMM form-factor. PC2700 memory is also called DDR333

Available memory types from IBM or Lenovo

Partnumber	FRU	Description
31P9828	31P9829	128MB PC2700 DDR-SDRAM CL2.5 SO-DIMM
31P9830	31P9831	256MB PC2700 DDR-SDRAM CL2.5 SO-DIMM
31P9832	31P9833	512MB PC2700 DDR-SDRAM CL2.5 SO-DIMM
31P9834	31P9835	1GB PC2700 DDR-SDRAM CL2.5 SO-DIMM

ThinkPads that support this technology

ThinkPad Models	Soldered on systemboard	DIMM Slot 1	DIMM Slot 2	Official Max-Memory	Unofficial Max-Memory1
G41		Occupied	Empty	2GB2	2GB2 3
R50e		Occupied	Empty	2GB2	2GB2 3
R50, R50p		Occupied	Empty	2GB2	2GB2 3
R51		Occupied	Empty	2GB2	2GB2 3
T41, T41p		Occupied	Empty	2GB2	2GB2 3
T42, T42p		Occupied	Empty	2GB2	2GB2 3
X31, X32		Occupied	Empty	2GB2	2GB2 3
X40	256 or 512MB	Empty	NA	1.25 or 1.5GB4	1.25 or 1.5GB3 4

FOOTNOTES [Δ]

1. See Unofficial_maximum_memory_specs
2. Based on 2x 1GB DIMMs, might require removal of original base memory
3. DDR DO-DIMM modules exist at a maximum of 1GB. You cannot physically install more RAM than the official specs state. Chipset is limited to 2GB.
4. Based on base 256 or 512MB plus 1GB DIMM in Slot 1